GWM-IE Boiler

High-efficiency, gas-modulating condensing water boiler



Here are some of the top features of the GWM-IE:

Efficiency rating of up to 95% AFUE.

ENERGY STAR® certified which means it meets or exceeds U.S. federal guidelines for energy efficiency.

Modulating capability allows burner to fire at a rate as low as 20% of its full capacityto perfectly match comfort needs.

Electronic ignition control burns fuel only when necessary, reducing energy costs.

Quiet Operation

  • Sealed combustion—minimizes fan noise and provides quiet, soothing heat

Home Comfort

  • Modulating capability—allows burner to fire at a rate as low as 20% of its full capacity to perfectly match your comfort needs

Energy Efficiency

  • ENERGY STAR® certified—meets or exceeds EPA guidelines for energy efficiency, which means energy savings
  • Electronic ignition control—monitors water temperature and maximizes efficiency by turning on the burner only when needed
  • Stainless steel, finned-tube heat exchanger design—converts waste energy into usable heat

Reliable Performance

  • Stainless steel, finned-tube heat exchanger design—is self-cleaning and extremely durable
  • Stainless steel mesh burner—provides greater resistance to corrosion and oxidationthan aluminized steel burners
  • CPVC flue condensate collector—is corrosion resistant and eliminates the use of metalin venting area
  • 15-Year Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components

Product Brochures and Manuals

Lennox GWM-IE Boiler


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